Home / 1,259,876.78-1,888,617.88-803,186.02

Finding the Fourth Proportional to 1,259,876.78, 1,888,617.88 and 803,186.02

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Solution

The fourth proportional to 1,259,876.78, 1,888,617.88 and 803,186.02 is: 1,204,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,876.78 : 1,888,617.88 = 803,186.02 : x
  2. Step 2: Convert to fraction form
    1,259,876.78/1,888,617.88 = 803,186.02/x
  3. Step 3: Cross multiply
    1,259,876.78x = 1,888,617.88 × 803,186.02
  4. Step 4: Simplify right side
    1,259,876.78x = 1,516,911,478,338.04
  5. Step 5: Solve for x
    x = 1,516,911,478,338.04/1,259,876.78
  6. Step 6: Final answer
    x = 1,204,015.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.